类球红细菌对亚硝酸盐和食盐及pH的耐受性研究Research on Tolerance of Rhodobacter sphaeroides to Nitrite, Salt and pH
赵志平,唐阔,吉莉莉,陈林,韩煦,王卫
摘要(Abstract):
目的:旨在探讨类球红细菌对亚硝酸盐、食盐和低pH的耐受性,为类球红细菌应用于腌腊肉制品加工提供初步的理论基础。方法:将类球红细菌分别在不同浓度的亚硝酸盐、食盐和低pH胁迫下生长,绘制生长曲线,确定亚硝酸盐、食盐和pH的耐受范围;绘制类球红细菌在亚硝酸盐、食盐和低pH同时存在时的生长曲线。结果:类球红细菌对100 mg/kg的亚硝酸盐、2.5%的食盐和pH 5.8等单因素有良好的耐受性,在100 mg/kg的亚硝酸盐、2.5%的食盐和pH 5.8三因素同时存在时也具有较好的耐受性。结论:类球红细菌对亚硝酸盐、食盐和低pH有较好的耐受性,具有在腌腊肉制品中应用的可能。
关键词(KeyWords): 类球红细菌;亚硝酸盐;食盐;pH;耐受
基金项目(Foundation): 肉类加工四川省重点实验室开放基金(19-R-08)
作者(Author): 赵志平,唐阔,吉莉莉,陈林,韩煦,王卫
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